Remove last vestiges of struct sx150x_platform_data

Signed-off-by: Andrey Smirnov <andrew.smir...@gmail.com>
---
 drivers/gpio/gpio-sx150x.c | 25 ++++---------------------
 1 file changed, 4 insertions(+), 21 deletions(-)

diff --git a/drivers/gpio/gpio-sx150x.c b/drivers/gpio/gpio-sx150x.c
index 044ff3d..bfb1ec3 100644
--- a/drivers/gpio/gpio-sx150x.c
+++ b/drivers/gpio/gpio-sx150x.c
@@ -84,16 +84,6 @@ struct sx150x_device_data {
        } pri;
 };
 
-/**
- * struct sx150x_platform_data - config data for SX150x driver
- * @oscio_is_gpo: If set to true, the driver will configure OSCIO as a GPO
- *                instead of as an oscillator, increasing the size of the
- *                GP(I)O pool created by this expander by one.  The
- *                output-only GPO pin will be added at the end of the block.
- */
-struct sx150x_platform_data {
-};
-
 struct sx150x_chip {
        struct gpio_chip                 gpio_chip;
        struct i2c_client               *client;
@@ -531,8 +521,7 @@ out:
 
 static void sx150x_init_chip(struct sx150x_chip *chip,
                        struct i2c_client *client,
-                       kernel_ulong_t driver_data,
-                       struct sx150x_platform_data *pdata)
+                       kernel_ulong_t driver_data)
 {
        mutex_init(&chip->lock);
 
@@ -592,8 +581,7 @@ static int sx150x_reset(struct sx150x_chip *chip)
        return err;
 }
 
-static int sx150x_init_hw(struct sx150x_chip *chip,
-                       struct sx150x_platform_data *pdata)
+static int sx150x_init_hw(struct sx150x_chip *chip)
 {
        u32 io_pulldown = 0;
        u32 io_pullup   = 0;
@@ -696,15 +684,10 @@ static int sx150x_probe(struct i2c_client *client,
 {
        static const u32 i2c_funcs = I2C_FUNC_SMBUS_BYTE_DATA |
                                     I2C_FUNC_SMBUS_WRITE_WORD_DATA;
-       struct sx150x_platform_data *pdata;
        struct sx150x_chip *chip;
        int rc;
        bool oscio_is_gpo;
 
-       pdata = dev_get_platdata(&client->dev);
-       if (!pdata)
-               return -EINVAL;
-
        if (!i2c_check_functionality(client->adapter, i2c_funcs))
                return -ENOSYS;
 
@@ -716,12 +699,12 @@ static int sx150x_probe(struct i2c_client *client,
        oscio_is_gpo = of_property_read_bool(client->dev.of_node,
                                             "semtech,oscio-is-gpo");
 
-       sx150x_init_chip(chip, client, id->driver_data, pdata);
+       sx150x_init_chip(chip, client, id->driver_data);
 
        if (oscio_is_gpo)
                chip->gpio_chip.ngpio++;
 
-       rc = sx150x_init_hw(chip, pdata);
+       rc = sx150x_init_hw(chip);
        if (rc < 0)
                return rc;
 
-- 
2.5.5

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